PccciMA. UREDINEtE. 889 



raptâ ciriclis , stipite albo sporidiis teretifans elongatis medio constrictis sub- 

 miiiore, articalo inferiore eloiip.ito-lniljiualo , snperiore oblongo ovafove 

 obtnso. — In caule foliis bracteisque Galioruin vaiioiniTi,Crucianellseangusti- 

 foliaK (cl. iProst). 



19. P. Gr-EcHOMiE (DC. £1. h. 5. p. 56. ) maculis fuscescentibns, aceivnlis rnfis 

 subrotundis spaisis convexis bypophyllis, stipite albo filiformi, sporidiis 

 oblusis ovato-oblongis non constrictis. — In Glechomâ bederaceâ. — P. ver- 

 rucosa Linck obs. 2. p. 27. Dicœoma verrncosnni Nées fang. t. i. f. 12. 



20. P- AviocLARivE ( Pers. syn. 227.) maculis nnllis, acervulis fascis caulinis 

 oblongis bypo|)hyllis subrotundis convexis epidermide ruplà primo cinctis , 

 stipite filiformi longissimo incorvo, sporidiis ovoideis obtusis vis. coustrictis. 

 — In Polygono aviculari. — DC fl. fr. 2. p. 221. P. vaginaliura Linck sp. 

 pi. 6, 2. p. 69. 



21. P. Thesii (Chaillet in herb. DC.) caulina bifrousque, acervulis fnsco-nigri- 

 cantibus parvis orbicularibus ovatisve convexis sparsis aggregatisque epi- 

 dermide ruptâ cinctis, stipite albo elongato, sporidiis ovatis obtusis non aut 

 vis constrictis. — In Thesio linophyllo Jurassi (cl. Chaillet). 



22. P. Graminis (Pers. syn. 228.) macnlis pallidis diffnsis, acervulis e luteo-fns- 

 cis demùm nigris linearibus confluentibus convexis bifrontibus caalinisqne 

 epidermide cinctis, stipite albo filiformi breviusculo, sporidiiselongato-clavatis 

 subcylindricisve obtusis non constrictis. — In variis Graminibus. — - DC. fl. 

 fr. 2. p. 223, et 5. p. 59. var. a. Desmaz. crypt. ess. n. i3o. 



23. P. ARUNDiNACEA (Hedw. fil. fung. ined. t. 7. in DC. fl. fr. 1. c.) macnlis palli- 

 dis diffusis oblitteratisve, acervulis nigris elongalo-Iinearibus sparsis convesis 

 bifrontibus canlinisque epidermide cinctis, stipite albo filiformi longissimo , 

 sporidiis elongato-oblongis subliuearibus oblongisve obtusis medio constric- 

 tis. — In Arundine Phragmite, Calamagrostidibns, etc. — Desmaz. crypt. exs. 

 n. i3i. P. Graminis DC. 1. c. 



24. P. Cakicis (DC. fl. fr. 5. p. 60.) maculis pallidis, acervutis nigris epiphyllis 

 ovatis seriatis conferlis epidermide raarginatis, stipite albo filiformi elongato, 

 sporidiis elongato-clavatis snbcylindricis medio constrictis, articnlo superiore 

 obtuso majore. — In Caricibus variis. — P. Striola Linck sp. pi. 6. 2. p. 67. pro 

 parte. 



25. P. AsPARAfii (DC. fl. fr. 2. p. SgS.) maculis nullis, acervulis rnfo-fuscis cau- 

 linis rariùs epipbyllis sparsis conferlisque ovato-oblongis pulvinatis epider- 

 mide longitudinaliter raplâ cinctis, stipite albo filiformi longo, sporidiis 

 objougis obtusis medio constrictis. — In Asparago officinali. 



26. P. Veronicarxjm (DC. fl. fr. 2. p. 5g^.) maculis fuscis lutescenlibusve, acervu- 

 lis fascis bypopbyllis orbicularibus plerisque parvis aggregatis saepè orbicuia- 

 tim digeslis et demùm confluentibus, stipitibus inaeqnalibus illis longiuscnlis 

 illis brevibus, sporidiis elongatis medio constrictis, ariiculis ovatis ellipticisve 

 superiori obtuso ant ad apicem subattenuato. — In Veronicâ Ponau, urticifo- 

 liâ, Chamaedry, etc. — Linck sp. 6. 2. p. 71. 



27. P. Por.-ïGONi-CoNvoi,vci,i (Hedw. fil. ined. in DC. fl. fr. 5. p. 61.) maculis 

 oblitteiatis, acervulis fuscis demùm nigris bypopbyllis orbicularibus caulinis 

 elongatis confertis non confluentibus epidermide rnptâ cinctis, stipite. albo 

 sporidinm clavatum non consirictum sequante, articulo inferiore turbinato 

 snpeiiore globoso obtuso. — In Polygono Convolvulo. — P. Polygoaorum 

 Linrk sp. 6. 2. p. 69. pro parte. 



* * Stipite abhreviato. 



28. P. PoLYGONORUM ( Linck sp. pi. 6. 2. p. 69. excl. P. Pol. conv.) macnlis fla- 

 vescentibus, acervulis minutis rnfo-fuscis bypopbyllis orbiculatisplaniusculis 

 confertis bine indè confluentibus epidermide ruptâ cinctis, stipite brevissimo, 

 sporidiis ovatis utrinque obtusis non constrictis. — In Polygono ampbibio, 

 Bistortâ , etc. —P. Polygoui ampbibii Pars. DC. fl. fr, 2. p. 2a3. P. Bistort* 

 DC, fl, fr. 5. p. 61. 



